<h1>Chon phuong thuc load </h1>
<?php echo form_open('/monhoc/load/0');?>
<input type="submit" value="all">
<?php echo form_close();?>
<?php echo form_open('/monhoc/load_by/1');?>
<input type="submit" value="Nganh">
<?php echo form_close();?>
<?php echo form_open('/monhoc/load_by/2');?>
<input type="submit" value="Trang Thai">
<?php echo form_close();?>